M.Sc. DEGREE EXAMINATION,
NOVEMBER 2017
First Semester
Energy Science
BASIC ENERGY SCIENCES
(CBCS 2016 onwards)
Time 3 Hours Maximum 75 Marks
Part A (10 x 2 20)
Answer all questions.
1. List the types of non-conventional energy sources.
2. What is energy intensity? What it signifies?
3. Define Bitz limit.
4. What is meant by lift and drag force with neat diagram?
5. Define zenith angle.
6. What are the losses in solar cell?
7. Define densification.
8. Define biogas.
9. Define geothermal gradient.
10. What is meant by tidal range?
Sub. Code
540101
RW-891
2
Wk 3
Part B x 5 25)
Answer all questions, choosing either or
11. List the types of fossil energy sources and their
merits and demerits in environmental perspective.
Or
Give an overview of global energy scenario.
12. What are the types of solar concentrating collectors?
Explain.
Or
Explain in detail about the components in flat plate
collectors with neat diagram.
13. Discuss about the advantage and disadvantages of
wind energy. Define wind shear.
Or
Discuss the different types of wind turbines used to
extract wind energy.
14. Explain the production of ethanol from biomass.
Or
Discuss about the factors affecting biogas
production.
15. What is plate tectonic theory and how is it related
to geothermal energy? Describe.
Or
Discuss the important components of a tidal power
plant.
RW-891
3
Wk 3
Part C 10 30)
Answer any three questions.
16. Energy crises in India discuss.
17. How will you characterize solar cells? Describe types and
fabrication of solar cells.
18. Write an account on wind farms with specific reference to
wind flow modeling, siting and issues related to their
efficient development.
19. Discuss about classification of biomass and
thermo-chemical conversion of biomasses.
20. Enumerate advantages of geothermal power plants.
Discuss the types of tidal power plants.
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